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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* base class for rendering objects that need child lists but behave like leaf */
#ifndef nsAtomicContainerFrame_h___
#define nsAtomicContainerFrame_h___
#include "nsContainerFrame.h"
/**
* This class is for frames which need child lists but act like a leaf
* frame. In general, all frames of elements laid out according to the
* CSS box model would need child list for ::backdrop in case they are
* in fullscreen, while some of them still want leaf frame behavior.
*/
class nsAtomicContainerFrame : public nsContainerFrame
{
public:
NS_DECL_ABSTRACT_FRAME(nsAtomicContainerFrame)
// Bypass the nsContainerFrame/nsSplittableFrame impl of the following
// methods so we behave like a leaf frame.
bool IsLeaf() const override { return true; }
FrameSearchResult PeekOffsetNoAmount(bool aForward, int32_t* aOffset) override
{
return nsFrame::PeekOffsetNoAmount(aForward, aOffset);
}
FrameSearchResult PeekOffsetCharacter(bool aForward, int32_t* aOffset,
bool aRespectClusters = true) override
{
return nsFrame::PeekOffsetCharacter(aForward, aOffset, aRespectClusters);
}
nsSplittableType GetSplittableType() const override
{
return nsFrame::GetSplittableType();
}
protected:
explicit nsAtomicContainerFrame(nsStyleContext* aContext)
: nsContainerFrame(aContext) {}
};
#endif // nsAtomicContainerFrame_h___
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